USN-2711-1: Net-SNMP vulnerabilities

Publication date

17 August 2015

Overview

Net-SNMP could be made to crash or run programs if it received specially crafted network traffic.


Packages

  • net-snmp - SNMP (Simple Network Management Protocol) server and applications

Details

It was discovered that Net-SNMP incorrectly handled certain trap messages
when the -OQ option was used. A remote attacker could use this issue to
cause Net-SNMP to crash, resulting in a denial of service. (CVE-2014-3565)

Qinghao Tang discovered that Net-SNMP incorrectly handled SNMP PDU parsing
failures. A remote attacker could use this issue to cause Net-SNMP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2015-5621)

It was discovered that Net-SNMP incorrectly handled certain trap messages
when the -OQ option was used. A remote attacker could use this issue to
cause Net-SNMP to crash, resulting in a denial of service. (CVE-2014-3565)

Qinghao Tang discovered that Net-SNMP incorrectly handled SNMP PDU parsing
failures. A remote attacker could use this issue to cause Net-SNMP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2015-5621)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
15.04 vivid libsnmp30 –  5.7.2~dfsg-8.1ubuntu5.1
14.04 trusty libsnmp30 –  5.7.2~dfsg-8.1ubuntu3.1
12.04 precise libsnmp15 –  5.4.3~dfsg-2.4ubuntu1.3

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